71515180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 168832944

約数和(自身を除く): 97317764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 73, 110, 122, 146, 220, 244, 292, 305, 365, 610, 671, 730, 803, 1220, 1342, 1460, 1606, 2684, 3212, 3355, 4015, 4453, 5329, 6710, 8030, 8906, 10658, 13420, 16060, 17812, 21316, 22265, 26645, 44530, 48983, 53290, 58619, 89060, 97966, 106580, 117238, 195932, 234476, 244915, 293095, 325069, 489830, 586190, 650138, 979660, 1172380, 1300276, 1625345, 3250690, 3575759, 6501380, 7151518, 14303036, 17878795, 35757590, 71515180]

約数ペア:

[(1, 71515180), (2, 35757590), (4, 17878795), (5, 14303036), (10, 7151518), (11, 6501380), (20, 3575759), (22, 3250690), (44, 1625345), (55, 1300276), (61, 1172380), (73, 979660), (110, 650138), (122, 586190), (146, 489830), (220, 325069), (244, 293095), (292, 244915), (305, 234476), (365, 195932), (610, 117238), (671, 106580), (730, 97966), (803, 89060), (1220, 58619), (1342, 53290), (1460, 48983), (1606, 44530), (2684, 26645), (3212, 22265), (3355, 21316), (4015, 17812), (4453, 16060), (5329, 13420), (6710, 10658), (8030, 8906)]